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12793695306 = 2372313243991
BaseRepresentation
bin10111110101001000…
…00100110001001010
31020000121121001121220
423322210010301022
5202200141222211
65513301142510
7632016421140
oct137244046112
936017531556
1012793695306
115475786707
1225906baa36
13128b71ab12
148951c5590
154ed29e806
hex2fa904c4a

12793695306 has 32 divisors (see below), whose sum is σ = 30514157568. Its totient is φ = 3496413360.

The previous prime is 12793695293. The next prime is 12793695307. The reversal of 12793695306 is 60359639721.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12793695307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6621030 + ... + 6622961.

It is an arithmetic number, because the mean of its divisors is an integer number (953567424).

Almost surely, 212793695306 is an apocalyptic number.

12793695306 is an abundant number, since it is smaller than the sum of its proper divisors (17720462262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12793695306 is a wasteful number, since it uses less digits than its factorization.

12793695306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13244026.

The product of its (nonzero) digits is 1837080, while the sum is 51.

The spelling of 12793695306 in words is "twelve billion, seven hundred ninety-three million, six hundred ninety-five thousand, three hundred six".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 13243991 26487982 39731973 79463946 92707937 185415874 278123811 304611793 556247622 609223586 913835379 1827670758 2132282551 4264565102 6396847653 12793695306